NaCl: Send fatal log messages via shared memory.

components/nacl/browser/nacl_process_host.h

Index: components/nacl/browser/nacl_process_host.h
diff --git a/components/nacl/browser/nacl_process_host.h b/components/nacl/browser/nacl_process_host.h
index 2f6af9761d6e5e529eb201e9cb57718d30613b3f..31e0d602ec0ced19627286fff805ea72a95d53eb 100644
--- a/components/nacl/browser/nacl_process_host.h
+++ b/components/nacl/browser/nacl_process_host.h
@@ -11,6 +11,7 @@
 #include "base/files/file_path.h"
 #include "base/files/file_util_proxy.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/shared_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/process.h"
@@ -248,6 +249,10 @@ class NaClProcessHost : public content::BrowserChildProcessHostDelegate {
   // Throttling time in milliseconds for PpapiHostMsg_Keepalive IPCs.
   static unsigned keepalive_throttle_interval_milliseconds_;
 
+  // Shared memory provided to the plugin and renderer for
+  // reporting crash information.
+  base::SharedMemory crash_info_shmem_;
+
   DISALLOW_COPY_AND_ASSIGN(NaClProcessHost);
 };